From: Greg Weeks <greg.weeks@timesys.com>
To: linux-mips@linux-mips.org
Subject: Re: Floating point performance
Date: Thu, 29 Sep 2005 07:31:26 -0400 [thread overview]
Message-ID: <433BD08E.1020402@timesys.com> (raw)
In-Reply-To: <6EC3F44BE5E6B742BE3EBC3465525944096814@emea-exchange3.emea.dps.local>
Ulrich Eckhardt wrote:
>(Sorry if this mail is garbled, I'm forced to use a sub-par client)
>
>Matej Kupljen wrote:
>
>
>>I've built soft float toolchain (with crosstool) and then build
>>MPlayer with it. The performance is very low. I cannot even play the
>>mp3 file with MPlayer on DBAU1200 with 400MHz CPU!
>>
>>
>[...]
>
>
>>Any other suggestions?
>>
>>
>
>I'm not sure what you are doing, but if you only want to play music, I'd use Ogg Vorbis instead, which has a decoder that only uses integer arithmetic for exactly the case of FPU-less machines and the Au1200. I could also imagine an MP3 decoder written for integer only being written somewhere, but I don't know anything about it.
>
>
mpg123 had a version of the libs for OS-9 that used integer ops only. It
was in contributions and not the mainline and I don't know how difficult
it would be to get it running on Linux. It's a dead project now anyway.
Greg Weeks
next prev parent reply other threads:[~2005-09-29 11:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-29 7:08 Floating point performance Ulrich Eckhardt
2005-09-29 7:08 ` Ulrich Eckhardt
2005-09-29 11:16 ` Matej Kupljen
2005-09-29 11:36 ` Nigel Stephens
2005-09-29 11:44 ` Matej Kupljen
2005-09-29 11:49 ` Matej Kupljen
2005-09-29 13:31 ` Daniel Jacobowitz
2005-09-29 15:39 ` David Daney
2005-09-30 11:48 ` Dominik 'Rathann' Mierzejewski
2005-09-29 11:31 ` Greg Weeks [this message]
-- strict thread matches above, loose matches on Subject: below --
2005-09-27 8:17 Matej Kupljen
2005-09-27 8:42 ` Jerry
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